Home / 208,514.93-287,747.48-117,867.71

Finding the Fourth Proportional to 208,514.93, 287,747.48 and 117,867.71

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Solution

The fourth proportional to 208,514.93, 287,747.48 and 117,867.71 is: 162,655.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,514.93 : 287,747.48 = 117,867.71 : x
  2. Step 2: Convert to fraction form
    208,514.93/287,747.48 = 117,867.71/x
  3. Step 3: Cross multiply
    208,514.93x = 287,747.48 × 117,867.71
  4. Step 4: Simplify right side
    208,514.93x = 33,916,134,497.79
  5. Step 5: Solve for x
    x = 33,916,134,497.79/208,514.93
  6. Step 6: Final answer
    x = 162,655.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.